API standard 650 aluminum tanks with flat bottoms

Floating roof is the key component of floating roof API 650 storage tank, which can be divided into external floating roof and internal API standard 650 aluminum tanks floating roof. The internal floating roof has a fixed top cover above the floating roof, which can prevent the floating roof from being exposed to wind and rain, and ensure the quality of oil stored under API 650 storage tank.

Usually, the wind load in the API standard 650 aluminum tanks construction area should be considered before the tank design and construction. The wind load in the API standard 650 aluminum tanks construction area has an impact on the stability and economy of the API standard 650 aluminum tanks. In the area with large wind load, it is safe to design the tank as "squat". When calculating the wind force, the influence of the thickness of the insulation layer of the API standard 650 aluminum tanks, the shape of the ladder, the platform, the pipeline and the top cover must be considered.

Uplift on Foundation
For API Standard 620 tanks with an internal design pressure less than 1 lbf/in.2 gauge, the uplift shall be taken as the smaller of the maximum uplift values computed under the following conditions:
a)The internal design pressure times 1.5 plus the design wind load on the shell and roof.
b)The internal design pressure plus 0.25 lbf/in.2 gauge plus the design wind load on the shell and roof.

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In particular, the EU imports a large amount of iron ore from central and South America and Oceania, which are mainly transported by sea. The perfect port infrastructure makes the port operation cost of EU iron ore raw materials import relatively low. However, the API standard 650 aluminum tanks steel transportation between EU Member States is mainly railway transportation, and the EU member states have established a very developed railway network and railway information infrastructure.

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